Which set represents the domain of the function shown? {(−3, 6), (0, 2), (4, 7), (11, 15)} {(6, −3), (2, 0), (7, 4), (15, 11)} {2, 6, 7, 15} {−3, 0, 4, 11} {−3, 0, 2, 4, 6, 7, 11, 15}

Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity